* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}

body {
  font-size: 12px;
  color: #5d655b;
}

/* 不继承 */
a {
  font-size: 12px;
  color: #686868;
  text-decoration: none;
}

/* 不继承 */
input {
  font-size: 12px;
}

li {
  list-style: none;
}
img {
  /* 去掉缝隙 */
  vertical-align: top;
  border: none;
  width: 100%;
}
